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Finding the Fourth Proportional to 7,516.70, 11,253.45 and 7,300.70

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Solution

The fourth proportional to 7,516.70, 11,253.45 and 7,300.70 is: 10,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.70 : 11,253.45 = 7,300.70 : x
  2. Step 2: Convert to fraction form
    7,516.70/11,253.45 = 7,300.70/x
  3. Step 3: Cross multiply
    7,516.70x = 11,253.45 × 7,300.70
  4. Step 4: Simplify right side
    7,516.70x = 82,158,062.42
  5. Step 5: Solve for x
    x = 82,158,062.42/7,516.70
  6. Step 6: Final answer
    x = 10,930.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.